/*
 * ProGuard -- shrinking, optimization, obfuscation, and preverification of Java bytecode.
 *
 * Copyright (c) 2002-2018 GuardSquare NV
 *
 * This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public
 * License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later
 * version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
 *
 * You should have received a copy of the GNU General Public License along with this program; if not, write to the Free
 * Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
 */
package a.gui.proguard.gui.splash;

import java.awt.*;

/**
 * This Sprite represents a text.
 *
 * @author Eric Lafortune
 */
public class TextSprite implements Sprite {
    private final VariableString[] text;
    private final VariableInt spacing;
    private final VariableInt x;
    private final VariableInt y;

    /**
     * Creates a new TextSprite containing a single line of text.
     * 
     * @param text the variable text string.
     * @param x the variable x-coordinate of the lower-left corner of the text.
     * @param y the variable y-coordinate of the lower-left corner of the text.
     */
    public TextSprite(VariableString text, VariableInt x, VariableInt y) {
        this(new VariableString[] {text}, new ConstantInt(0), x, y);
    }

    /**
     * Creates a new TextSprite containing a multiple lines of text.
     * 
     * @param text the variable text strings.
     * @param spacing the variable spacing between the lines of text.
     * @param x the variable x-coordinate of the lower-left corner of the first line of text.
     * @param y the variable y-coordinate of the lower-left corner of the first line of text.
     */
    public TextSprite(VariableString[] text, VariableInt spacing, VariableInt x, VariableInt y) {

        this.text = text;
        this.spacing = spacing;
        this.x = x;
        this.y = y;
    }

    // Implementation for Sprite.

    public void paint(Graphics graphics, long time) {

        int xt = x.getInt(time);
        int yt = y.getInt(time);

        int spacingt = spacing.getInt(time);

        for (int index = 0; index < text.length; index++) {
            graphics.drawString(text[index].getString(time), xt, yt + index * spacingt);
        }
    }
}
